{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:JG24RX4H233BENZYUR45ITIWP4","short_pith_number":"pith:JG24RX4H","canonical_record":{"source":{"id":"2605.30444","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-28T18:15:18Z","cross_cats_sorted":[],"title_canon_sha256":"fdd3a55127b0d586fda539d9a7516483597bb6e4550d69bb50aba34485c26901","abstract_canon_sha256":"221b9b5bc981143d46d2da46baa3318867b55470bba22bba0dfd6686b2de6403"},"schema_version":"1.0"},"canonical_sha256":"49b5c8df87d6f6123738a479d44d167f1428b7d8c8cd223bf63b8f7de4e6d76a","source":{"kind":"arxiv","id":"2605.30444","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.30444","created_at":"2026-06-01T01:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"2605.30444v1","created_at":"2026-06-01T01:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.30444","created_at":"2026-06-01T01:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"JG24RX4H233B","created_at":"2026-06-01T01:02:54Z"},{"alias_kind":"pith_short_16","alias_value":"JG24RX4H233BENZY","created_at":"2026-06-01T01:02:54Z"},{"alias_kind":"pith_short_8","alias_value":"JG24RX4H","created_at":"2026-06-01T01:02:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:JG24RX4H233BENZYUR45ITIWP4","target":"record","payload":{"canonical_record":{"source":{"id":"2605.30444","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-28T18:15:18Z","cross_cats_sorted":[],"title_canon_sha256":"fdd3a55127b0d586fda539d9a7516483597bb6e4550d69bb50aba34485c26901","abstract_canon_sha256":"221b9b5bc981143d46d2da46baa3318867b55470bba22bba0dfd6686b2de6403"},"schema_version":"1.0"},"canonical_sha256":"49b5c8df87d6f6123738a479d44d167f1428b7d8c8cd223bf63b8f7de4e6d76a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-01T01:02:54.684624Z","signature_b64":"1g2XovMZZyV3s7Er+3e4s7hlbcpukCORVne7sN2eXzq1pwuU8kWifNBinLYTawltCWJKwX14eSIguiHXf0c+CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49b5c8df87d6f6123738a479d44d167f1428b7d8c8cd223bf63b8f7de4e6d76a","last_reissued_at":"2026-06-01T01:02:54.683735Z","signature_status":"signed_v1","first_computed_at":"2026-06-01T01:02:54.683735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.30444","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-01T01:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"itRHxQlFy05Hkl9LJaqUzChj3SAVvGsIGDuYmexIqDvfxpxL0lSfhEgwF99cdbKf6ApVT8Pp3zLnv2TRxHtgCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:35:53.484937Z"},"content_sha256":"7e51924e3edb10e28cd4074a91f170d71df4666fc0619ce2dd3cc34bf7ce32be","schema_version":"1.0","event_id":"sha256:7e51924e3edb10e28cd4074a91f170d71df4666fc0619ce2dd3cc34bf7ce32be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:JG24RX4H233BENZYUR45ITIWP4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dex2HOI: Dexterous Bimanual Two-Object Interaction Generation","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chrysa Pratikaki, Jiankang Deng, Pablo Ruiz-Ponce, Rolandos Alexandros Potamias, Stefanos Zafeiriou","submitted_at":"2026-05-28T18:15:18Z","abstract_excerpt":"Recent advances in 4D Human-Object Interaction (HOI) generation have enabled increasingly realistic motion synthesis, particularly for single-object manipulation. Yet current research overlooks an inherent property of human behavior: people naturally coordinate both hands and manipulate multiple objects simultaneously. To address this gap, we present Dex2HOI, a unified diffusion model for single- and two-object HOI synthesis from text. At its core, Dex2HOI employs a Dual-Stream Diffusion approach, where each object is processed in a dedicated interaction stream and coordinated through bidirect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.30444","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.30444/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-01T01:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ft23bz1/OH+wsJDIUpf0+xUeBKCX1y/ja0mlPxYUJO9dBkhhYVWbKZc+88hhSfqsnHp29b8jeR6Q5/K2h79iDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:35:53.485387Z"},"content_sha256":"d611ab339ee101fa5a64e1a336bd9bbfca377a668579396fdb990cab9c8af622","schema_version":"1.0","event_id":"sha256:d611ab339ee101fa5a64e1a336bd9bbfca377a668579396fdb990cab9c8af622"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JG24RX4H233BENZYUR45ITIWP4/bundle.json","state_url":"https://pith.science/pith/JG24RX4H233BENZYUR45ITIWP4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JG24RX4H233BENZYUR45ITIWP4/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-07T07:35:53Z","links":{"resolver":"https://pith.science/pith/JG24RX4H233BENZYUR45ITIWP4","bundle":"https://pith.science/pith/JG24RX4H233BENZYUR45ITIWP4/bundle.json","state":"https://pith.science/pith/JG24RX4H233BENZYUR45ITIWP4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JG24RX4H233BENZYUR45ITIWP4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JG24RX4H233BENZYUR45ITIWP4","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"221b9b5bc981143d46d2da46baa3318867b55470bba22bba0dfd6686b2de6403","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-28T18:15:18Z","title_canon_sha256":"fdd3a55127b0d586fda539d9a7516483597bb6e4550d69bb50aba34485c26901"},"schema_version":"1.0","source":{"id":"2605.30444","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.30444","created_at":"2026-06-01T01:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"2605.30444v1","created_at":"2026-06-01T01:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.30444","created_at":"2026-06-01T01:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"JG24RX4H233B","created_at":"2026-06-01T01:02:54Z"},{"alias_kind":"pith_short_16","alias_value":"JG24RX4H233BENZY","created_at":"2026-06-01T01:02:54Z"},{"alias_kind":"pith_short_8","alias_value":"JG24RX4H","created_at":"2026-06-01T01:02:54Z"}],"graph_snapshots":[{"event_id":"sha256:d611ab339ee101fa5a64e1a336bd9bbfca377a668579396fdb990cab9c8af622","target":"graph","created_at":"2026-06-01T01:02:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2605.30444/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent advances in 4D Human-Object Interaction (HOI) generation have enabled increasingly realistic motion synthesis, particularly for single-object manipulation. Yet current research overlooks an inherent property of human behavior: people naturally coordinate both hands and manipulate multiple objects simultaneously. To address this gap, we present Dex2HOI, a unified diffusion model for single- and two-object HOI synthesis from text. At its core, Dex2HOI employs a Dual-Stream Diffusion approach, where each object is processed in a dedicated interaction stream and coordinated through bidirect","authors_text":"Chrysa Pratikaki, Jiankang Deng, Pablo Ruiz-Ponce, Rolandos Alexandros Potamias, Stefanos Zafeiriou","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-28T18:15:18Z","title":"Dex2HOI: Dexterous Bimanual Two-Object Interaction Generation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.30444","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7e51924e3edb10e28cd4074a91f170d71df4666fc0619ce2dd3cc34bf7ce32be","target":"record","created_at":"2026-06-01T01:02:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"221b9b5bc981143d46d2da46baa3318867b55470bba22bba0dfd6686b2de6403","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-28T18:15:18Z","title_canon_sha256":"fdd3a55127b0d586fda539d9a7516483597bb6e4550d69bb50aba34485c26901"},"schema_version":"1.0","source":{"id":"2605.30444","kind":"arxiv","version":1}},"canonical_sha256":"49b5c8df87d6f6123738a479d44d167f1428b7d8c8cd223bf63b8f7de4e6d76a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49b5c8df87d6f6123738a479d44d167f1428b7d8c8cd223bf63b8f7de4e6d76a","first_computed_at":"2026-06-01T01:02:54.683735Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-01T01:02:54.683735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1g2XovMZZyV3s7Er+3e4s7hlbcpukCORVne7sN2eXzq1pwuU8kWifNBinLYTawltCWJKwX14eSIguiHXf0c+CA==","signature_status":"signed_v1","signed_at":"2026-06-01T01:02:54.684624Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.30444","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e51924e3edb10e28cd4074a91f170d71df4666fc0619ce2dd3cc34bf7ce32be","sha256:d611ab339ee101fa5a64e1a336bd9bbfca377a668579396fdb990cab9c8af622"],"state_sha256":"4468a3489f33cd7d3ea7ddf22c937c8a461f9f51269065772f31bfe56d4f6b86"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QttOM21JYf2bWnOiYboKv/l5nqiI8T0i/b8ldL+A1kUb2Rb3VbVlwtij2mgH2MQtEYj9nCdOT5lFzoHasm4EDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T07:35:53.489226Z","bundle_sha256":"7e47dc69eaaa0341e9568af8e595b39473ed307472bff125a9c4b5b51cc9f4e8"}}